MetadataReader (Google OAuth Credentials plugin 1.330.vf5e86021cb_ec API)

All Known Implementing Classes:

MetadataReader.Default
```
public interface MetadataReader
```
This helper utility is used for reading values out of a Google Compute Engine instance's attached metadata service.

Author:

Matt Moore

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static class MetadataReader.Default
A simple default implementation that reads metadata via http requests.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`hasMetadata()`	Are we on a Google Compute Engine instance?
`String`	`readMetadata(String metadataPath)`	Reads the specified sub-element out of the Google Compute Engine instance's metadata.

- Method Detail
  - hasMetadata
```
boolean hasMetadata()
             throws IOException
```
    Are we on a Google Compute Engine instance?
    
    Throws:
    
    IOException
  - readMetadata
```
String readMetadata(String metadataPath)
             throws IOException,
                    ExecutorException
```
    Reads the specified sub-element out of the Google Compute Engine instance's metadata. These relative paths are expected to start with:
    
    /instance/...
    /project/...
    Throws:
    
    IOException
    
    ExecutorException